Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

SUSE: 2023:4782-1 critical: Privilege Escalation in Linux Kernel Security

suse
Calendar Grey December 13, 2023
Dist Suse Esm H88
Acquire the most recent security update for the Linux Kernel RT that resolves the privilege escalation vulnerability associated with CVE-2023-3777.
* bsc#1215097 Cross-References: * CVE-2023-3777

Summary

## This update for the Linux Kernel 5.14.21-150500_13_24 fixes one issue. The following security issue was fixed: * CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.5 zypper in -t patch SUSE-2023-4781=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4781=1 ## Package List: * openSUSE Leap 15.5 (x86_64) * kernel-livepatch-5_14_21-150500_13_24-rt-2-150500.2.1

Topics%20covered

Topics Covered

security advisory privilege escalation kernel patch SUSE local escalation Linux Kernel

References

* bsc#1215097

Cross-

* CVE-2023-3777

CVSS scores:

* CVE-2023-3777 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-3777 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Live Patching 15-SP5

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Micro 6.0

* SUSE Linux Enterprise Real Time 15 SP5

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2023-3777.html

* https://bugzilla.suse.com/show_bug.cgi?id=1215097

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4781-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation kernel patch SUSE local escalation Linux Kernel

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here